2656172 has 6 divisors (see below), whose sum is σ = 4648308. Its totient is φ = 1328084.

The previous prime is 2656169. The next prime is 2656183. The reversal of 2656172 is 2716562.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332018 + ... + 332025.

It is an arithmetic number, because the mean of its divisors is an integer number (774718).

2^2656172 is an apocalyptic number.

It is an amenable number.

2656172 is a deficient number, since it is larger than the sum of its proper divisors (1992136).

2656172 is a wasteful number, since it uses less digits than its factorization.

2656172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664047 (or 664045 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 2656172 is about 1629.7766718173. The cubic root of 2656172 is about 138.4901008186.

The spelling of 2656172 in words is "two million, six hundred fifty-six thousand, one hundred seventy-two".